SYE.PHUS. 81 



wliici) parts there is some yellowisli pubescence; scutellum dull 

 brownish-yellow, with ratlier loug and line black hairs. Abdomen, 

 black ; a pair of well-separated, narrow, ti'ansverse yellow spots 

 before middle of 2nd segment, slightly widening to\^•ards sides ; 

 3rd and 4th segments with a transverse, moderately narrow 

 yellowish stripe (rather arcuate in front) on eacli, the centre of 

 each stripe just touching hind margin of segment in front, but 

 the ends not reaching side margins. Hind margins of 4th and 

 5tli segments narrowly yellowish, anterior corners of 5th rather 

 broadly so. Abdominal pubescence yellowish; A'enter yellowish, 

 with broad, transverse obscure bands towards hind margins of 

 segments. Legs: anterior pairs (type) mainly yellowisli, with 

 about basal tlurd dark ; liind legs considerably more brownish ; 

 the latter in the Suinatran specimen practically all black, except 

 very narrowly brown about the knees and metatarsi. Wings clear, 

 stigma moderately dark brownish-yellow ; halteres brownish- 

 orange. 



Length, (Sumatran specimen) 10 mm. The type must have been 

 about the same. It is labelled "India," and is from the Saunders 

 collection. The second specimen is from Mt. Dempo, Sumatra, 

 7000-10,400 ft., 1. V. 1881 (Forbes). 



Type in British Museum. 



^^5. Syrphus quinquevittatus, sp. nov. (PI. II, fig. 10.) 



S 5 . Head: eyes bare. In S , frons rather prominent, yellowish- 

 dusted, with rather long and moderately dense black hairs; face 

 almost translucent, with a pale yellowish tinge and \\ hitish dust ; 

 moderately prominent with a conspicuous central, shining black 

 bump, the colour extending to mouth-opening. Antenna) black, 

 basal joints blackish-brown, with a transverse shining black callus 

 on frons immediately above. Occiput grey ; postocular fringe 

 white, more yellowish behind vertex. In $ , vertex broadly 

 shining black, the colour continued down centre of frons to the 

 shining black antennal prominence ; rest of frons with vellowish- 

 grey dust, whole surface from vertex to antennae with x-ather 

 dense black pubescence ; space between antennae orange, latter 

 wholly black ; face yellowish with yellowish-grey dust and pale 

 yellow soft pubescence; central bumij large, shining black, bare, 

 the colour extended upwards slightly ; mouth-border at upper 

 edge black, remainder, with cheeks, orange; occiput grey, lower 

 part broadly orange: marginal fringe yellowish-grey, yellow 

 behind vertex. Thorax aeneous, with a bronze tint in certain 

 lights ; five obvious, though not conspicuous, bronze stripes from 

 anterior margin nearly to scutellum, the outermost ones on 

 extreme edge of dorsum. Pleura) ash-grey; humeri yellowish- 

 grey; hind corners of dorsum yellowisli; scutellum brow^iiish- 

 yellow, translucent. Pubescence of dorsum yellowish ; of humeri, 

 side margins and hind corners bright yellow ; of pleura, pale 

 yellow, but bright yellow round wing-base ; of scutellum, black. 

 Abdomen bright yellow, 1st segment a>ueous, 2nd, 3rd and 4th 



G 



